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Issue - (#21): Show objects(tables) involved in the query.

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PG-96
This commit is contained in:
Ibrar Ahmed
2020-11-24 20:10:49 +00:00
parent 9efa05de97
commit 057150c99b
5 changed files with 75 additions and 163 deletions
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36
pg_stat_monitor.h
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@@ -59,9 +59,9 @@
#define MAX_RESPONSE_BUCKET 10
#define MAX_REL_LEN 255
#define MAX_BUCKETS 10
#define MAX_OBJECT_CACHE 100
#define TEXT_LEN 255
#define ERROR_MESSAGE_LEN 100
#define REL_LST 10
#define CMD_LST 10
#define CMD_LEN 20
@@ -102,18 +102,6 @@ typedef enum AGG_KEY
AGG_KEY_HOST
} AGG_KEY;
typedef struct pgssObjectHashKey
{
uint64 queryid; /* query id */
} pgssObjectHashKey;
typedef struct pgssObjectEntry
{
pgssObjectHashKey key; /* hash key of entry - MUST BE FIRST */
char tables_name[MAX_REL_LEN]; /* table names involved in the query */
slock_t mutex; /* protects the counters only */
} pgssObjectEntry;
#define MAX_QUERY_LEN 1024
/* shared nenory storage for the query */
@@ -133,8 +121,8 @@ typedef struct QueryInfo
Oid dbid; /* database OID */
uint host; /* client IP */
int64 type; /* type of query, options are query, info, warning, error, fatal */
char cmd_type[CMD_LST][CMD_LEN]; /* query command type SELECT/UPDATE/DELETE/INSERT */
char tables_name[MAX_REL_LEN]; /* table names involved in the query */
int32 relations[REL_LST];
char cmd_type[CMD_LST][CMD_LEN]; /* query command type SELECT/UPDATE/DELETE/INSERT */
} QueryInfo;
typedef struct ErrorInfo
@@ -220,13 +208,14 @@ typedef struct pgssSharedState
double cur_median_usage; /* current median usage in hashtable */
slock_t mutex; /* protects following fields only: */
Size extent; /* current extent of query file */
int n_writers; /* number of active writers to query file */
int64 n_writers; /* number of active writers to query file */
uint64 current_wbucket;
uint64 prev_bucket_usec;
uint64 bucket_overflow[MAX_BUCKETS];
uint64 bucket_entry[MAX_BUCKETS];
int query_buf_size_bucket;
char cmdTag[CMD_LST][20];
int64 query_buf_size_bucket;
int32 relations[REL_LST];
char cmdTag[CMD_LST][CMD_LEN];
Timestamp bucket_start_time[MAX_BUCKETS]; /* start time of the bucket */
} pgssSharedState;
@@ -285,8 +274,6 @@ void init_guc(void);
GucVariable *get_conf(int i);
/* hash_create.c */
void hash_alloc_object_entry(uint64 queryid, char *objects);
void hash_dealloc_object_entry(uint64 queryid, char *objects);
bool IsHashInitialize(void);
void pgss_shmem_startup(void);
void pgss_shmem_shutdown(int code, Datum arg);
@@ -313,10 +300,9 @@ void pgss_startup(void);
#define PGSM_NORMALIZED_QUERY get_conf(4)->guc_variable
#define PGSM_MAX_BUCKETS get_conf(5)->guc_variable
#define PGSM_BUCKET_TIME get_conf(6)->guc_variable
#define PGSM_OBJECT_CACHE get_conf(7)->guc_variable
#define PGSM_RESPOSE_TIME_LOWER_BOUND get_conf(8)->guc_variable
#define PGSM_RESPOSE_TIME_STEP get_conf(9)->guc_variable
#define PGSM_QUERY_BUF_SIZE get_conf(10)->guc_variable
#define PGSM_TRACK_PLANNING get_conf(11)->guc_variable
#define PGSM_RESPOSE_TIME_LOWER_BOUND get_conf(7)->guc_variable
#define PGSM_RESPOSE_TIME_STEP get_conf(8)->guc_variable
#define PGSM_QUERY_BUF_SIZE get_conf(9)->guc_variable
#define PGSM_TRACK_PLANNING get_conf(10)->guc_variable
#endif